Liebherr-International has patented a fuel injection device for internal combustion engines. The device includes a central rail connected to a primary fuel tank and an auxiliary fuel pressure accumulator for temporary simultaneous fuel supply. Integrated sensors and a control system ensure efficient operation. GlobalData’s report on Liebherr-International gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Liebherr-International, was a key innovation area identified from patents. Liebherr-International's grant share as of January 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Fuel injection device with auxiliary fuel pressure accumulator
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A recently granted patent (Publication Number: US11885284B2) discloses a fuel injection device for internal combustion engines. The device includes a central rail in fluid communication with a primary fuel tank and an additional fuel pressure accumulator. A control valve integrated into the central rail or accumulator allows for a simultaneous fuel supply from both the accumulator and the primary tank. The device also features pressure sensors to protect against pressure waves and a control system to manage fuel quantity. The patent emphasizes the use of molecular hydrogen-based fuels, with weight proportions ranging from 20% to 60%.
Furthermore, the patent details various configurations and components of the fuel injection device, such as the use of a preloaded pressure accumulator, a directional control valve, and an electromagnet actuator. The control system is designed to consider engine parameters and operating variables for optimal performance. Additionally, the patent extends to an internal combustion engine equipped with the described fuel injection device. Overall, the patent highlights advancements in fuel injection technology for internal combustion engines, particularly focusing on the utilization of molecular hydrogen-based fuels and innovative control systems for efficient operation.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
